EPC-830U is a chassis with dual 17.3 Full HD Screen, and it support Micro-ATX motherboard,with 4 pcs of expansion slot for addtional  and video caputure card  to connect  SDI/HDMI cameras. Optional built-in 2* balanced audio input and out put sound card, you can have XLR and 6.35mm TRS in. This computer chassis with handle and you can carry it anywhere to do live events broadcasting and only need 5 minutes to set up. EPC-830U has 2 LCD, and one LCD for PVM,another for PGM.